Table of Contents: Signs are favorable for good business; Problems and Pyroxylin solutions; Railroad at the top of the world; Yes sir, it's a Nesser; DuPont exhibit at the Brazilian International Centennial Exposition won the Grande Premio;...

Table of Contents: Flood Prevention with Dynamite; Blasting Telephone Pole Holes; 1913 Grand American Handicap; An Important Offer to Blasters; Another Lackawanna Cut-off; Building a Country with Explosives; Storage of Explosives; Separate Hauling...

Table of Contents: A new chemical discovery; In the nick of time; Where shall we dine; Tested by sun and shower; renovating a pond for new tenants; Pyralin beautifies cutlery; New kitches for old; Something new in quarrying; Protective mattress...